Science

Tuesday, 17 March 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

Did you know?

Moon
Despite its synchronous rotation, the Moon is constantly tilted to one side or the other.
Such deviations are called librations and thanks to them it is possible to observe as much as 59 percent of the surface of the silver globe from Earth.
Snow
In 2008, there was a violent snowstorm in Afghanistan.
Temperatures there dropped to – 30 degrees Celsius, and up to 180 centimeters of snow fell in most o ...
Titan
So far, more than 80 lakes have been discovered on its surface.
The seas and lakes of Titan are filled with liquid hydrocarbons.
Silver
Silver occurs in nature in its native form (a rare mineral consisting mainly of metallic silver), along with sulfur, arsenic, antimony and chlorine.
It is also found in the ores: argentite (a rare mineral from the sulfide group), chlorargyrite (a ve ...
Tears
Humans are the only animals able to shed emotional tears.
Despite various studies, no evidence to the contrary has yet been announced.
Cosmos
The largest mountain in the Solar System is Olympus Mons.
This extinct volcano rises above the Martian surface to a height of about level. The diameter of the ...
Earth
The Earth formed from a proto-planetary disk around the Sun about 4.54 billion years ago.
For its first billion years, it was a hostile, harsh, rocky place where life did not exist. According to research, the first living organisms appeared in Earth's oceans about 3.5 billion years ago.
Graphene
Graphene is a desirable material due to its characteristics - the properties and use of graphene in the modern world can completely revolutionize science and technology.
Graphene is currently the thinnest, lightest, and strongest material discovered by man It is an exc ...
Large Magellanic Cloud
The next description of the galaxy appeared in Amerigo Vespucci's writings on his third expedition. He observed the object in the years 1503 - 1504.
Deimos
The area of Deimos is only 483,05 square kilometers.